2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * the C code (not assembly, mmx, ...) of the swscaler which has been written
21 * by Michael Niedermayer can be used under the LGPL license too
24 #ifndef SWSCALE_INTERNAL_H
25 #define SWSCALE_INTERNAL_H
39 #define MSG_WARN(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
40 #define MSG_FATAL(args...) av_log(NULL, AV_LOG_ERROR, ##args )
41 #define MSG_ERR(args...) av_log(NULL, AV_LOG_ERROR, ##args )
42 #define MSG_V(args...) av_log(NULL, AV_LOG_INFO, ##args )
43 #define MSG_DBG2(args...) av_log(NULL, AV_LOG_DEBUG, ##args )
44 #define MSG_INFO(args...) av_log(NULL, AV_LOG_INFO, ##args )
46 #define MAX_FILTER_SIZE 256
48 typedef int (*SwsFunc)(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
49 int srcSliceH, uint8_t* dst[], int dstStride[]);
51 /* this struct should be aligned on at least 32-byte boundary */
52 typedef struct SwsContext{
55 * Note the src,dst,srcStride,dstStride will be copied, in the sws_scale() warper so they can freely be modified here
59 int chrSrcW, chrSrcH, chrDstW, chrDstH;
62 int dstFormat, srcFormat; ///< format 4:2:0 type is allways YV12
63 int origDstFormat, origSrcFormat; ///< format
64 int chrSrcHSubSample, chrSrcVSubSample;
65 int chrIntHSubSample, chrIntVSubSample;
66 int chrDstHSubSample, chrDstVSubSample;
74 int16_t *hLumFilterPos;
76 int16_t *hChrFilterPos;
78 int16_t *vLumFilterPos;
80 int16_t *vChrFilterPos;
82 uint8_t formatConvBuffer[4000]; //FIXME dynamic alloc, but we have to change alot of code for this to be usefull
93 int32_t *lumMmx2FilterPos;
94 int32_t *chrMmx2FilterPos;
95 int16_t *lumMmx2Filter;
96 int16_t *chrMmx2Filter;
106 void * yuvTable; // pointer to the yuv->rgb table start so it can be freed()
107 void * table_rV[256];
108 void * table_gU[256];
110 void * table_bU[256];
113 int contrast, brightness, saturation; // for sws_getColorspaceDetails
114 int srcColorspaceTable[4];
115 int dstColorspaceTable[4];
116 int srcRange, dstRange;
118 #define RED_DITHER "0*8"
119 #define GREEN_DITHER "1*8"
120 #define BLUE_DITHER "2*8"
121 #define Y_COEFF "3*8"
122 #define VR_COEFF "4*8"
123 #define UB_COEFF "5*8"
124 #define VG_COEFF "6*8"
125 #define UG_COEFF "7*8"
126 #define Y_OFFSET "8*8"
127 #define U_OFFSET "9*8"
128 #define V_OFFSET "10*8"
129 #define LUM_MMX_FILTER_OFFSET "11*8"
130 #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
131 #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, its hardcoded in the asm
132 #define ESP_OFFSET "11*8+4*4*256*2+8"
133 #define VROUNDER_OFFSET "11*8+4*4*256*2+16"
134 #define U_TEMP "11*8+4*4*256*2+24"
135 #define V_TEMP "11*8+4*4*256*2+32"
137 uint64_t redDither __attribute__((aligned(8)));
138 uint64_t greenDither __attribute__((aligned(8)));
139 uint64_t blueDither __attribute__((aligned(8)));
141 uint64_t yCoeff __attribute__((aligned(8)));
142 uint64_t vrCoeff __attribute__((aligned(8)));
143 uint64_t ubCoeff __attribute__((aligned(8)));
144 uint64_t vgCoeff __attribute__((aligned(8)));
145 uint64_t ugCoeff __attribute__((aligned(8)));
146 uint64_t yOffset __attribute__((aligned(8)));
147 uint64_t uOffset __attribute__((aligned(8)));
148 uint64_t vOffset __attribute__((aligned(8)));
149 int32_t lumMmxFilter[4*MAX_FILTER_SIZE];
150 int32_t chrMmxFilter[4*MAX_FILTER_SIZE];
152 uint64_t esp __attribute__((aligned(8)));
153 uint64_t vRounder __attribute__((aligned(8)));
154 uint64_t u_temp __attribute__((aligned(8)));
155 uint64_t v_temp __attribute__((aligned(8)));
159 vector signed short CY;
160 vector signed short CRV;
161 vector signed short CBU;
162 vector signed short CGU;
163 vector signed short CGV;
164 vector signed short OY;
165 vector unsigned short CSHIFT;
166 vector signed short *vYCoeffsBank, *vCCoeffsBank;
171 //FIXME check init (where 0)
173 SwsFunc yuv2rgb_get_func_ptr (SwsContext *c);
174 int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation);
176 char *sws_format_name(int format);
178 //FIXME replace this with something faster
179 #define isPlanarYUV(x) ((x)==PIX_FMT_YUV410P || (x)==PIX_FMT_YUV420P \
180 || (x)==PIX_FMT_YUV411P || (x)==PIX_FMT_YUV422P \
181 || (x)==PIX_FMT_YUV444P || (x)==PIX_FMT_NV12 \
182 || (x)==PIX_FMT_NV21)
183 #define isYUV(x) ((x)==PIX_FMT_UYVY422 || (x)==PIX_FMT_YUYV422 || isPlanarYUV(x))
184 #define isGray(x) ((x)==PIX_FMT_GRAY8)
185 #define isRGB(x) ((x)==PIX_FMT_BGR32 || (x)==PIX_FMT_RGB24 \
186 || (x)==PIX_FMT_RGB565 || (x)==PIX_FMT_RGB555 \
187 || (x)==PIX_FMT_RGB8 || (x)==PIX_FMT_RGB4 \
188 || (x)==PIX_FMT_MONOBLACK)
189 #define isBGR(x) ((x)==PIX_FMT_RGB32 || (x)==PIX_FMT_BGR24 \
190 || (x)==PIX_FMT_BGR565 || (x)==PIX_FMT_BGR555 \
191 || (x)==PIX_FMT_BGR8 || (x)==PIX_FMT_BGR4 \
192 || (x)==PIX_FMT_MONOBLACK)
194 static inline int fmt_depth(int fmt)
216 case PIX_FMT_BGR4_BYTE:
217 case PIX_FMT_RGB4_BYTE:
219 case PIX_FMT_MONOBLACK: